exam draft fix

app/Controllers/View/ExamDraftController.php

@@ -6,6 +6,7 @@ use App\Controllers\BaseController;
 use App\Models\ClassSectionModel;
 use App\Models\ConfigurationModel;
 use App\Models\ExamDraftModel;
+use App\Models\StudentClassModel;
 use App\Models\TeacherClassModel;
 use App\Models\UserModel;
 use CodeIgniter\HTTP\Files\UploadedFile;
@@ -16,6 +17,7 @@ class ExamDraftController extends BaseController
     protected ExamDraftModel $examDraftModel;
     protected TeacherClassModel $teacherClassModel;
     protected ClassSectionModel $classSectionModel;
+    protected StudentClassModel $studentClassModel;
     protected UserModel $userModel;
     protected ConfigurationModel $configModel;
 
@@ -57,6 +59,7 @@ class ExamDraftController extends BaseController
         $this->examDraftModel = new ExamDraftModel();
         $this->teacherClassModel = new TeacherClassModel();
         $this->classSectionModel = new ClassSectionModel();
+        $this->studentClassModel = new StudentClassModel();
         $this->userModel = new UserModel();
         $this->configModel = new ConfigurationModel();
         $this->db = Database::connect();
@@ -419,6 +422,52 @@ class ExamDraftController extends BaseController
         }
         unset($group);
 
+        $classSectionsById = [];
+        foreach ($classSections as $cs) {
+            $csId = (int) ($cs['class_section_id'] ?? 0);
+            if ($csId <= 0) {
+                continue;
+            }
+            $classSectionsById[$csId] = $cs;
+        }
+
+        $studentCounts = $this->studentClassModel->getStudentCountsBySection($this->schoolYear);
+        $visibleClasses = [];
+        foreach ($studentCounts as $csId => $count) {
+            $csId = (int) $csId;
+            if ($csId <= 0 || $count <= 0) {
+                continue;
+            }
+            $classData = $classSectionsById[$csId] ?? $this->classSectionModel->where('class_section_id', $csId)->first();
+            if ($classData === null) {
+                $classData = [
+                    'class_section_id' => $csId,
+                    'class_section_name' => 'Class ' . $csId,
+                ];
+            }
+            $classData['student_count'] = $count;
+            $visibleClasses[$csId] = $classData;
+        }
+        uasort($visibleClasses, static fn ($a, $b): int => strcasecmp($a['class_section_name'] ?? '', $b['class_section_name'] ?? ''));
+
+        $classDraftGroups = [];
+        foreach ($drafts as $draft) {
+            $cid = (int) ($draft['class_section_id'] ?? 0);
+            if ($cid <= 0) {
+                continue;
+            }
+            $classDraftGroups[$cid][] = $draft;
+        }
+        $newSubmissionClasses = [];
+        foreach ($classDraftGroups as $cid => $group) {
+            foreach ($group as $draft) {
+                if (strtolower((string) ($draft['status'] ?? '')) === 'submitted') {
+                    $newSubmissionClasses[$cid] = true;
+                    break;
+                }
+            }
+        }
+
         return view('administrator/exam_drafts', [
             'drafts' => $drafts,
             'statusBadges' => $this->statusBadgeMap(),
@@ -430,6 +479,9 @@ class ExamDraftController extends BaseController
             'classSections' => $classSections,
             'legacyByClass' => $legacyByClass,
             'printableDraftIds' => $printableIds,
+            'visibleClasses' => $visibleClasses,
+            'classDraftGroups' => $classDraftGroups,
+            'newSubmissionClasses' => $newSubmissionClasses,
         ]);
     }
 
@@ -657,6 +709,9 @@ class ExamDraftController extends BaseController
                 }
             }
         }
+        if ($status === 'legacy') {
+            $this->prepareLegacyPdfVersion($update, $draft);
+        }
         if ($this->hasIsLegacyColumn) {
             $update['is_legacy'] = strtolower($status) === 'legacy' ? 1 : 0;
         }
@@ -875,7 +930,7 @@ class ExamDraftController extends BaseController
                 $teacherName = 'Teacher #' . $teacherId;
             }
 
-            $class = $this->classSectionModel->find($classSectionId) ?? [];
+            $class = $this->classSectionModel->where('class_section_id', (int) $classSectionId)->first() ?? [];
             $className = $class['class_section_name'] ?? ('Class ' . $classSectionId);
 
             $subject = 'Exam draft submitted: ' . $className;
@@ -1321,4 +1376,44 @@ class ExamDraftController extends BaseController
         }
         return $destName;
     }
+
+    private function prepareLegacyPdfVersion(array &$update, array $draft): void
+    {
+        $finalFile = $update['final_file'] ?? $draft['final_file'] ?? null;
+        if (empty($finalFile)) {
+            $teacherFile = $this->draftTeacherFile($draft);
+            if (!empty($teacherFile)) {
+                $copied = $this->copyDraftToFinal($teacherFile);
+                if ($copied !== null) {
+                    $finalFile = $copied;
+                    $update['final_file'] = $copied;
+                    $update['final_filename'] = $this->draftTeacherFilename($draft) ?? $teacherFile;
+                }
+            }
+        }
+        if (empty($finalFile)) {
+            return;
+        }
+        $ext = strtolower(pathinfo($finalFile, PATHINFO_EXTENSION));
+        $pdfName = $this->ensurePdfExists($finalFile, $ext);
+        if ($pdfName === null) {
+            return;
+        }
+        $filename = $update['final_filename'] ?? $draft['final_filename'] ?? '';
+        $baseName = '';
+        if ($filename !== '') {
+            $baseName = pathinfo($filename, PATHINFO_FILENAME);
+        }
+        if ($baseName === '') {
+            $baseName = pathinfo($pdfName, PATHINFO_FILENAME);
+        }
+        if ($baseName === '') {
+            $baseName = 'exam';
+        }
+        $update['final_file'] = $pdfName;
+        $update['final_filename'] = $baseName . '.pdf';
+        if ($this->hasFinalPdfColumn) {
+            $update['final_pdf_file'] = $pdfName;
+        }
+    }
 }